Country name 1984 1985 1986 1987 1988
Afghanistan 20 20 19 18 18
Albania 6 6 6 6 6
Algeria 8 8 7 7 7
American Samoa
Andorra
Angola 24 24 24 24 24
Antigua and Barbuda 7 7 7 7 7
Argentina 8 8 8 8 8
Armenia 7 7 7 8 8
Aruba 7 7 7 7 7
Australia 7 7 7 8 7
Austria 12 12 11 11 11
Azerbaijan 7 7 7 7 7
Bahamas, The 6 6 6 6 6
Bahrain 4 4 4 4 4
Bangladesh 12 12 12 11 11
Barbados 10 10 10 10 10
Belarus 11 10 10 10 10
Belgium 11 11 11 11 11
Belize 6 6 6 5 5
Benin 17 17 16 16 15
Bermuda 7
Bhutan 17 16 16 15 14
Bolivia 13 12 12 11 11
Bosnia and Herzegovina 6 6 7 7 8
Botswana 8 8 7 7 7
Brazil 8 8 8 7 7
Brunei Darussalam 4 4 4 4 4
Bulgaria 11 11 11 12 12
Burkina Faso 18 17 17 17 17
Burundi 18 18 18 18 18
Cabo Verde 10 9 9 9 9
Cambodia 15 12 12 12 12
Cameroon 15 15 15 14 14
Canada 7 7 7 7 7
Cayman Islands
Central African Republic 17 17 18 18 18
Chad 20 20 20 20 19
Chile 6 6 6 6 6
China 7 7 7 7 7
Colombia 6 6 6 6 6
Comoros 14 13 13 13 12
Congo, Dem. Rep. 18 18 18 18 18
Congo, Rep. 12 12 12 12 12
Costa Rica 5 4 4 4 4
Cote d'Ivoire 14 14 14 14 14
Croatia 12 11 11 11 11
Cuba 6 6 7 7 7
Curacao
Cyprus 7 7 7 7 7
Czech Republic 13 13 13 12 12
Denmark 11 11 11 11 12
Djibouti 11 11 11 11 11
Dominica 5 6
Dominican Republic 7 7 7 7 7
Ecuador 8 7 7 7 7
Egypt, Arab Rep. 10 10 10 9 9
El Salvador 11 10 10 9 8
Equatorial Guinea 21 21 21 21 20
Eritrea 18 17 17 16 16
Estonia 13 13 12 12 12
Ethiopia 21 20 20 19 19
Faeroe Islands 8 8 8 9
Fiji 7 7 7 7 6
Finland 9 10 10 10 10
France 10 10 10 10 10
French Polynesia 6 6 6 6 6
Gabon 13 12 12 12 11
Gambia, The 17 16 16 15 15
Georgia 9 9 9 9 9
Germany 12 12 12 12 12
Ghana 13 12 12 12 12
Greece 9 9 9 10 9
Greenland 8 8 8 8 8
Grenada 9 9 8 8 8
Guam 5 5 5 5 5
Guatemala 10 10 10 10 9
Guinea 21 20 19 19 18
Guinea-Bissau 19 19 18 18 18
Guyana 9 9 9 9 9
Haiti 15 15 14 14 14
Honduras 9 8 8 7 7
Hong Kong SAR, China 5 5 5 5 5
Hungary 14 14 14 13 13
Iceland 7 7 7 7 7
India 12 11 11 11 11
Indonesia 9 9 9 8 8
Iran, Islamic Rep. 13 12 11 10 9
Iraq 9 9 8 8 7
Ireland 9 9 10 9 9
Isle of Man 17 15
Israel 7 7 7 7 7
Italy 10 10 10 9 10
Jamaica 7 7 7 7 7
Japan 6 6 6 7 7
Jordan 6 6 6 6 5
Kazakhstan 8 8 7 8 8
Kenya 10 10 10 10 10
Kiribati 11 11 10 10 10
Korea, Dem. Rep. 6 6 6 6 6
Korea, Rep. 6 6 6 6 6
Kosovo 8 7 7 7 7
Kuwait 3 3 3 3 3
Kyrgyz Republic 9 9 9 9 9
Lao PDR 16 15 15 15 14
Latvia 13 13 12 12 12
Lebanon 7 7 7 7 7
Lesotho 13 12 12 12 11
Liberia 18 18 18 18 18
Libya 6 6 6 6 6
Liechtenstein 7 6 7 7 7
Lithuania 11 11 10 10 10
Luxembourg 11 11 11 11 10
Macao SAR, China 7 7 6 6 6
Macedonia, FYR 8 8 8 8 8
Madagascar 16 16 16 16 16
Malawi 20 20 19 19 19
Malaysia 5 5 5 5 5
Maldives 12 12 11 11 10
Mali 23 22 22 21 21
Malta 9 8 8 8 8
Marshall Islands 5
Mauritania 12 11 11 11 11
Mauritius 7 7 7 7 7
Mexico 6 6 6 6 6
Micronesia, Fed. Sts. 7 7 7 7 7
Moldova 11 11 11 10 10
Monaco
Mongolia 12 12 11 11 11
Montenegro 7 7 7 7 7
Morocco 9 9 8 8 8
Mozambique 21 21 21 21 21
Myanmar 12 11 11 11 11
Namibia 10 10 10 9 9
Nepal 15 15 14 14 13
Netherlands 8 9 9 8 8
New Caledonia 6 6 6 7 6
New Zealand 8 8 8 8 8
Nicaragua 10 9 9 9 8
Niger 24 24 24 24 23
Nigeria 18 18 18 18 18
Northern Mariana Islands
Norway 10 11 11 11 11
Oman 8 7 7 7 6
Pakistan 11 11 11 11 10
Palau
Panama 5 5 5 5 5
Papua New Guinea 11 11 11 11 11
Paraguay 7 7 7 7 7
Peru 9 8 8 8 8
Philippines 7 7 7 7 7
Poland 10 10 10 10 10
Portugal 10 10 10 10 10
Puerto Rico 7 7 7 7 7
Qatar 3 2 2 2 2
Romania 10 11 11 11 11
Russian Federation 12 11 10 11 11
Rwanda 15 16 17 20 24
Samoa 8 8 8 8 8
San Marino
Sao Tome and Principe 11 11 11 10 10
Saudi Arabia 7 6 6 6 6
Senegal 14 14 13 12 12
Serbia
Seychelles 8 7 8 7 7
Sierra Leone 24 24 24 24 25
Singapore 5 5 5 5 5
Sint Maarten (Dutch part)
Slovak Republic 10 10 10 10 10
Slovenia 10 10 10 10 10
Solomon Islands 11 11 11 11 11
Somalia 19 19 19 19 19
South Africa 9 9 9 9 8
South Sudan 24 23 23 22 22
Spain 8 8 8 8 8
Sri Lanka 6 6 6 6 6
St. Kitts and Nevis 11 10 11 10 11
St. Lucia 6 6 6 6 6
St. Martin (French part) 3 3 3 3 3
St. Vincent and the Grenadines 7 7 7 7 7
Sudan 13 13 12 12 12
Suriname 7 7 7 7 7
Swaziland 11 11 11 10 10
Sweden 11 11 11 11 12
Switzerland 9 9 9 9 9
Syrian Arab Republic 6 6 5 5 5
Tajikistan 10 10 10 10 10
Tanzania 15 15 15 15 15
Thailand 6 6 6 6 6
Timor-Leste 20 19 18 17 17
Togo 13 13 13 13 12
Tonga 6 6 6 6 6
Trinidad and Tobago 8 8 8 8 8
Tunisia 7 7 7 6 6
Turkey 10 10 9 9 9
Turkmenistan 9 9 9 9 9
Turks and Caicos Islands
Tuvalu
Uganda 17 17 17 17 17
Ukraine 12 12 11 11 12
United Arab Emirates 4 3 3 3 3
United Kingdom 11 12 12 11 11
United States 9 9 9 9 9
Uruguay 10 10 10 10 10
Uzbekistan 8 7 7 7 7
Vanuatu 9 9 9 9 8
Venezuela, RB 5 5 5 5 5
Vietnam 7 7 7 7 7
Virgin Islands (U.S.) 5 5 5 5 5
West Bank and Gaza
Yemen, Rep. 14 14 13 13 12
Zambia 16 16 17 17 18
Zimbabwe 9 9 9 9 9

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